This set of cross bars by Rhino-Rack makes a great load carrying rack for your truck cap, shell, RV or hard tonneau cover. Designed to fit existing tracks installed on your vehicle, this set is just the feet and crossbars. Rhino-Rack's aerodynamic Vortex design features sleek feet and aluminum aero bars for an OEM look. The rack is comprised of two Black Vortex 54 inch long cross bars, 4 feet that mount to the tracks, and installation hardware. Manufacturer's part number: Y02-480B-NT